java.lang.NullPointerException: Cannot invoke "Object.getClass()" because "psiElement" is null

[martinaoliver]

Type of JetBrains IDE (IntelliJ, PyCharm, etc.) and version

IntelliJ IDEA 2023.2.2 (build IU-232.9921.47)

Operating System

Mac OS X 13.0 (x86_64)

TeXiFy IDEA version

0.9.1

Description

Stacktrace

java.lang.NullPointerException
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
	at java.base/java.util.concurrent.ForkJoinTask.getThrowableException(ForkJoinTask.java:564)
	at java.base/java.util.concurrent.ForkJoinTask.reportException(ForkJoinTask.java:591)
	at java.base/java.util.concurrent.ForkJoinTask.join(ForkJoinTask.java:672)
	at com.intellij.concurrency.JobLauncherImpl.processQueue(JobLauncherImpl.java:375)
	at com.intellij.codeInsight.daemon.impl.InspectionRunner.processInOrder(InspectionRunner.java:310)
	at com.intellij.codeInsight.daemon.impl.InspectionRunner.visitElements(InspectionRunner.java:285)
	at com.intellij.codeInsight.daemon.impl.InspectionRunner.lambda$inspect$4(InspectionRunner.java:129)
	at com.intellij.codeInspection.InspectionEngine.withSession(InspectionEngine.java:227)
	at com.intellij.codeInsight.daemon.impl.InspectionRunner.inspect(InspectionRunner.java:115)
	at com.intellij.codeInsight.daemon.impl.LocalInspectionsPass.collectInformationWithProgress(LocalInspectionsPass.java:113)
	at com.intellij.codeInsight.daemon.impl.ProgressableTextEditorHighlightingPass.doCollectInformation(ProgressableTextEditorHighlightingPass.java:95)
	at com.intellij.codeHighlighting.TextEditorHighlightingPass.collectInformation(TextEditorHighlightingPass.java:57)
	at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.lambda$doRun$1(PassExecutorService.java:390)
	at com.intellij.platform.diagnostic.telemetry.helpers.TraceKt.runWithSpanIgnoreThrows(trace.kt:77)
	at com.intellij.platform.diagnostic.telemetry.helpers.TraceUtil.runWithSpanThrows(TraceUtil.java:24)
	at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.lambda$doRun$2(PassExecutorService.java:386)
	at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1133)
	at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.lambda$doRun$3(PassExecutorService.java:377)
	at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$executeProcessUnderProgress$13(CoreProgressManager.java:604)
	at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:679)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computeUnderProgress(CoreProgressManager.java:635)
	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:603)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:61)
	at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.doRun(PassExecutorService.java:376)
	at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.lambda$run$0(PassExecutorService.java:352)
	at com.intellij.openapi.application.impl.ReadMostlyRWLock.executeByImpatientReader(ReadMostlyRWLock.java:201)
	at com.intellij.openapi.application.impl.ApplicationImpl.executeByImpatientReader(ApplicationImpl.java:207)
	at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.run(PassExecutorService.java:350)
	at com.intellij.concurrency.JobLauncherImpl$VoidForkJoinTask$1.exec(JobLauncherImpl.java:190)
	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373)
	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
Caused by: java.lang.NullPointerException: Cannot invoke "Object.getClass()" because "psiElement" is null
	at com.intellij.psi.stubs.StubProcessingHelperBase.checkType(StubProcessingHelperBase.java:93)
	at com.intellij.psi.stubs.StubProcessingHelperBase.processStubsInFile(StubProcessingHelperBase.java:72)
	at com.intellij.psi.stubs.StubIndexEx.lambda$processElements$4(StubIndexEx.java:150)
	at com.intellij.psi.stubs.StubIndexEx.processElements(StubIndexEx.java:214)
	at com.intellij.psi.stubs.StubIndex.getElements(StubIndex.java:102)
	at com.intellij.psi.stubs.StubIndex.getElements(StubIndex.java:90)
	at nl.hannahsten.texifyidea.index.IndexUtilBase$getItemsByName$1.invoke(IndexUtilBase.kt:140)
	at nl.hannahsten.texifyidea.index.IndexUtilBase$getItemsByName$1.invoke(IndexUtilBase.kt:140)
	at com.intellij.openapi.application.ActionsKt.runReadAction$lambda$3(actions.kt:31)
	at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:909)
	at com.intellij.openapi.application.ActionsKt.runReadAction(actions.kt:31)
	at nl.hannahsten.texifyidea.index.IndexUtilBase.getItemsByName(IndexUtilBase.kt:140)
	at nl.hannahsten.texifyidea.index.IndexUtilBase.getItems(IndexUtilBase.kt:122)
	at nl.hannahsten.texifyidea.index.IndexUtilBase.getItems$default(IndexUtilBase.kt:118)
	at nl.hannahsten.texifyidea.index.IndexUtilBase.getItemsInFileSet(IndexUtilBase.kt:63)
	at nl.hannahsten.texifyidea.util.files.FileSetKt.commandsInFileSet(FileSet.kt:77)
	at nl.hannahsten.texifyidea.util.labels.LabelsKt.findLatexLabelStringsInFileSetAsSequence(Labels.kt:30)
	at nl.hannahsten.texifyidea.util.labels.LabelsKt.findLatexAndBibtexLabelStringsInFileSet(Labels.kt:21)
	at nl.hannahsten.texifyidea.inspections.latex.probablebugs.LatexUnresolvedReferenceInspection.inspectFile(LatexUnresolvedReferenceInspection.kt:35)
	at nl.hannahsten.texifyidea.inspections.TexifyInspectionBase.checkFile(TexifyInspectionBase.kt:1

[PHPirates]

Duplicate of #3248